Hiroaki Akutsu
74Patents
7h-index
53Co-inventors
71Inventor score
Filing activity: Sep 27, 2006 → Oct 20, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7739540B2 | Information system, data transfer method and data protection method | Physics | 36 | Active |
| US10185624B2 | Distributed storage system | Physics | 29 | Active |
| US7953947B2 | Creating a snapshot based on a marker transferred from a first storage system to a second storage system | Physics | 15 | Active |
| US10452293B2 | Virtual storage system | Physics | 12 | Active |
| US10956063B2 | Virtual storage system | Physics | 12 | Active |
| US7725668B2 | Computer system and snapshot creation method thereof, delaying snapshot creation until pending transfer between volumes is complete | Physics | 9 | Active |
| US9047220B2 | Storage system and data management method | Physics | 7 | Active |
| US8819371B2 | Storage system | Physics | 6 | Active |
| US8707090B2 | Storage system | Physics | 6 | Active |
| US9176858B2 | Storage system configured to selectively utilize data compression based on real pool usage rates | Physics | 6 | Active |
| US9465561B2 | Storage system and storage control method | Physics | 6 | Active |
| US7925914B2 | Information system, data transfer method and data protection method | Physics | 6 | Active |
| US9235353B2 | Storage apparatus and management method including determination of migration of data from one storage area to another based on access frequency | Physics | 5 | Active |
| US8880830B1 | Storage system | Physics | 4 | Active |
| US8918609B2 | Storage apparatus and data management method to determine whether to migrate data from a first storage device to a second storage device based on an access frequency of a particular logical area | Physics | 4 | Active |
| US8281179B2 | Information system, data transfer method and data protection method | Physics | 4 | Active |
| US10120601B2 | Storage system and data processing method | Physics | 3 | Active |
| US9830258B2 | Storage system | Physics | 2 | Active |
| US9329999B2 | Storage system improving read performance by controlling data caching | Physics | 2 | Active |
| US8719524B2 | Storage system including flash drives for improving performance by controlling data caching | Physics | 2 | Active |
| US10310758B2 | Storage system and storage control method | Physics | 1 | Active |
| US9003087B2 | Compound storage system and storage control method | Physics | 1 | Active |
| US10359967B2 | Computer system | Physics | 1 | Active |
| US9122399B2 | Storage system and storage control method | Physics | 1 | Active |
| US10459638B2 | Computer system that generates group information and redundant code based on user data and changes the group information and redundant code based on transmission data, control method for computer system, and recording medium | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.